In a future world of runaway global warming and awe-inspiring scientific advances, humans share every aspect of their lives with sophisticated companion robots called Mechas. But when an advanced prototype robot child named David (Haley Joel Osment) is programmed to show unconditional love, his human family isn't prepared for the consequences. Suddenly, David is on his own in a strange and dangerous world. Befriended by a streetwise Mecha (Jude Law), David embarks on a spectacular quest to discover the startling secret of his own identity.